7URXEOHVKRRWLQJ
3
6
Low Voltage Protection
PL
/
/
Flash 21
times
PL
PL
Drive Error
Temp Drift Protection
PE
Flash 3 times Flash 3 times Flash 3 times
PE
PE
Drive Error
Drive Board Ambient
Temp Sensor Error
PF
Flash 3 times Flash 3 times Flash 3 times
PF
PF
Drive Error
AC Current Protection
PA
Flash 5 times
/
/
E5
E5
Drive Error
Charging Circuit Error
PU
/
/
Flash 17
times
PU
PU
Drive Error
AC Input Voltage
Anomaly
PP
Flash 3 times Flash 3 times Flash 3 times
PP
PP
Drive Error
Unit n communication
error
See
Table 16
Flash 6 times
/
/
E6
E6
Indoor
Unit n indoor pipe
midway temperature
sensor error
See
Table 16
/
Flash twice
/
E2
E2
Indoor
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
See
Table 16
/
Flash twice
/
F2
F2
Indoor
(Air Valve) Unit
n indoor unit pipe
outlet temperature
sensor error
See
Table 16
/
Flash 22
times
/
b7
b7
Indoor
(Liquid Valve)
Unit n indoor pipe
inlet temperature
sensor error
See
Table 16
/
Flash 19
times
/
b5
b5
Indoor
See
Table 16
/
Flash once
/
F1
F1
Indoor
See
Table 16
Flash 7 times
/
/
E7
E7
Indoor
( )
Error Item
Outdoor
Unit 88
Display
Indicating LED Flashing Times
88 Display
Wired
Controler
Display
Error Type
Running
LED
Cooling
LED
Heating
LED
High Pressure
Protection
E1
Flash once
/
/
E1
E1
Outdoor
Shutdown for
Whole Unit Anti-
Freeze Protection
E2
Flash twice
/
/
E2
E2
System Error
Low Pressure
Protection
E3
Flash 3 times
/
/
E3
E3
Outdoor
High Discharge
Temp Protection
E4
Flash 4 times
/
/
E4
E4
Outdoor
Communication Error
E6
Flash 6 times
/
/
E6
E6
Outdoor &
Indoor
Indoor Unit Water
Full Error
E9
Flash 9 times
/
/
E9
E9
Indoor
Refrigerant
Recovery Mode
Fo
Flash once
Flash once
/
Fo
Fo
Special Mode
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